NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Simple Scan - Project information. Part of: The Gnome Project. Maintainer: Simple Scan Development Team. Driver: Simple Scan Development Team. Licence: GNU GPL v3.
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
XSane - A good proposal for SANE-2 has been written.
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.